On 6/21/22 22:00, Robert Beckett wrote:
i965G[M] cannot relocate objects above 4GiB. Ensure ttm uses dma32 on these systems.
Signed-off-by: Robert Beckett bob.beckett@collabora.com
LGTM.
Reviewed-by: Thomas Hellström thomas.hellstrom@linux.intel.com
drivers/gpu/drm/i915/intel_region_ttm.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_region_ttm.c b/drivers/gpu/drm/i915/intel_region_ttm.c index 62ff77445b01..fd2ecfdd8fa1 100644 --- a/drivers/gpu/drm/i915/intel_region_ttm.c +++ b/drivers/gpu/drm/i915/intel_region_ttm.c @@ -32,10 +32,15 @@ int intel_region_ttm_device_init(struct drm_i915_private *dev_priv) { struct drm_device *drm = &dev_priv->drm;
bool use_dma32 = false;
/* i965g[m] cannot relocate objects above 4GiB. */
if (IS_I965GM(dev_priv) || IS_I965G(dev_priv))
use_dma32 = true;return ttm_device_init(&dev_priv->bdev, i915_ttm_driver(), drm->dev, drm->anon_inode->i_mapping,
drm->vma_offset_manager, false, false);
drm->vma_offset_manager, false, use_dma32);}
/**